Required Validation 2 (Ajax) not working

[chkuo2]

Use "Required Validation 2 (Ajax)" sample
https://plugins.krajee.com/file-count-validation-demo#required-ajax-2
init had file or remove init file and select file , but always show error message "No valid data available for upload.".

[kartik-v]

Can you explain what is your issue? It seems to work as intended. If you click upload without selecting a file it will throw no valid data found for upload.

[chkuo2]

like this. https://imgur.com/xlXJ7qD
It had file and when i click upload, still show error.

[kartik-v]

Yes as I mentioned that is expected behavior for upload - since you need to select some file from client to upload - without selecting a file if you press upload-- the plugin expects some valid data to upload and shows that message (this has nothing to do with the required function) -- to achieve your use case you may need a custom submit button where you can call the plugin's upload method only after user has selected a file (which you can trap via the input's change event).